[Bug c/83421] GCC give better error when 32bit x86 libs not found

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83421 Richard Biener changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug target/81951] [7/8 Regression] ICE returning 16 byte struct on s390x with -mno-lra

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81951 Richard Biener changed: What|Removed |Added Priority|P3 |P4 --- Comment #1 from Richard Biener

[Bug c++/81918] [7/8 Regression] muddles Concept confuses compiler (segfault)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81918 Richard Biener changed: What|Removed |Added Priority|P3 |P2

[Bug c++/81922] [6/7/8 Regression] ICE in output_constructor_regular_field, at varasm.c:5030

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81922 Richard Biener changed: What|Removed |Added Priority|P3 |P2

[Bug other/82352] [7/8 Regression] comdat-local function called by void h::i() outside its comdat

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82352 Richard Biener changed: What|Removed |Added Priority|P3 |P2

[Bug target/81228] [7 Regression] ICE in gen_vec_cmpv2dfv2di, at config/aarch64/aarch64-simd.md:2508

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81228 Jakub Jelinek changed: What|Removed |Added CC||jakub at gcc dot gnu.org

[Bug c++/83428] New: Static initialization and struct with constexpr ctor

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83428 Bug ID: 83428 Summary: Static initialization and struct with constexpr ctor Product: gcc Version: 6.0 Status: UNCONFIRMED Severity: normal Priority: P3

[Bug tree-optimization/83253] -ftree-slsr causes performance regression

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83253 --- Comment #10 from Bill Schmidt --- I see that I was looking at the wrong leg here. This is a CAND_ADD, not a CAND_MULT, and I'm getting strange cost results on that path. The proposed change is still appropriate in my view, but not relevant

[Bug middle-end/61118] [6/7/8 Regression] Indirect call generated for pthread_cleanup_push with constant cleanup function

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61118 Richard Biener changed: What|Removed |Added Target Milestone|--- |6.5

[Bug c++/83020] [7 Regression] ('17) Class template constructor call skipped with no error when substitution fails in default argument

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83020 Richard Biener changed: What|Removed |Added Target Milestone|--- |7.3

[Bug target/82961] [6/7 Regression] ICE in dwarf2out.c: deferred_asm_name != NULL

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82961 Richard Biener changed: What|Removed |Added Target Milestone|--- |6.5

[Bug target/82989] [7/8 regression ] Inexplicable use of NEON for 64-bit math

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82989 Richard Biener changed: What|Removed |Added Target Milestone|--- |7.3

[Bug target/83330] [7/8 Regression] generating unaligned store to stack for SSE register with -mno-push-args

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83330 Richard Biener changed: What|Removed |Added Target Milestone|--- |7.3

[Bug c++/83414] Successive calls to "new" return the same pointer

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83414 --- Comment #4 from Pablo M. S. Farias --- Thank you for the instructions; I'll follow them from now on. Sorry for the inconveniences.

[Bug middle-end/81914] [7/8 Regression] gcc 7.1 generates branch for code which was branchless in earlier gcc version

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81914 Richard Biener changed: What|Removed |Added Keywords||missed-optimization

[Bug middle-end/81889] [7 Regression] bogus warnings with -Wmaybe-uninitialized -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81889 Richard Biener changed: What|Removed |Added Priority|P3 |P2 --- Comment #12 from Richard Biener

[Bug rtl-optimization/83398] [8 Regression] ICE: in try_ready, at haifa-sched.c:7524 with -O2 -fsched2-use-superblocks -g

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83398 Jakub Jelinek changed: What|Removed |Added CC||aoliva at gcc dot gnu.org,

[Bug tree-optimization/83198] [7 regression] ICE in format_floating, at gimple-ssa-sprintf.c:1900

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83198 Richard Biener changed: What|Removed |Added Priority|P3 |P2

[Bug c++/83426] New: template argument involves template parameters with implicit integral conversion

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83426 Bug ID: 83426 Summary: template argument involves template parameters with implicit integral conversion Product: gcc Version: 7.2.0 Status: UNCONFIRMED

[Bug tree-optimization/81635] [8 Regression] nvptx SLP test cases regressions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81635 Jakub Jelinek changed: What|Removed |Added CC||jakub at gcc dot gnu.org --- Comment

[Bug sanitizer/83388] reference statement index not found error with -fsanitize=null

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83388 --- Comment #9 from rguenther at suse dot de --- On Thu, 14 Dec 2017, hubicka at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83388 > > --- Comment #7 from Jan Hubicka --- > I believe we do not stream any references

[Bug tree-optimization/67842] Incorrect check in sese.h:bb_in_region

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67842 Richard Biener changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug tree-optimization/67842] Incorrect check in sese.h:bb_in_region

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67842 --- Comment #3 from Richard Biener --- Author: rguenth Date: Thu Dec 14 14:53:40 2017 New Revision: 255636 URL: https://gcc.gnu.org/viewcvs?rev=255636=gcc=rev Log: 2017-12-14 Richard Biener PR

[Bug c++/82722] [7 Regression] ICE in finish_member_declaration, at cp/semantics.c:2984

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82722 Richard Biener changed: What|Removed |Added Priority|P3 |P2

[Bug libstdc++/83427] [7/8 Regression] [C++17] weak result types and adaptable functions don't support noexcept functions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83427 Jonathan Wakely changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Last reconfirmed|

[Bug libstdc++/83427] New: [7/8 Regression] [C++17] weak result types and adaptable functions don't support noexcept functions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83427 Bug ID: 83427 Summary: [7/8 Regression] [C++17] weak result types and adaptable functions don't support noexcept functions Product: gcc Version: 7.2.1 Status:

[Bug tree-optimization/80520] [7/8 Regression] Performance regression from missing if-conversion

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80520 Jakub Jelinek changed: What|Removed |Added CC||jakub at gcc dot gnu.org,

[Bug bootstrap/83396] [8 Regression] Bootstrap failures with Statement Frontiers

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83396 --- Comment #61 from Alexandre Oliva --- Created attachment 42885 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42885=edit expand labels before markers This patch fixes both ia64 problems. Basically, the ebb scheduler gets thoroughly

[Bug sanitizer/83388] reference statement index not found error with -fsanitize=null

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83388 --- Comment #10 from Jan Hubicka --- Possibly, but for now I would be fine with just removing the references and solving it once we have real pass that attach something to them (perhaps next stage1)

[Bug bootstrap/83396] [8 Regression] Bootstrap failures with Statement Frontiers

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83396 --- Comment #64 from Ulrich Weigand --- I'm seeing the same error on spu-elf when building newlib with GCC revision 255614. In case this isn't fixed by more recent changes already, here's a reduced test case (build with -O -g): const char *

[Bug c++/82468] [7/8 Regression] ICE with deduction guide template

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82468 Richard Biener changed: What|Removed |Added Priority|P3 |P2

[Bug c++/82461] [7/8 Regression] Temporary required for brace-initializing (non-literal-type) member variable

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82461 Richard Biener changed: What|Removed |Added Priority|P3 |P2

[Bug middle-end/82364] [7 Regression] Enormous memory usage when building for 32bit i386 with >= -O1

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82364 Richard Biener changed: What|Removed |Added Known to work||6.4.0 Known to fail|

[Bug plugins/82371] [6/7 Regression] Cross-compiling GCC fails when build platform has fread_unlocked but host platform doesn't

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82371 Richard Biener changed: What|Removed |Added Priority|P3 |P2

[Bug c++/82664] [7/8 Regression ] ICE when using Match7 library

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82664 Richard Biener changed: What|Removed |Added Priority|P3 |P2

[Bug target/82880] [6/7 Regression] gcc --help=target --help=optimizers hangs on mips

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82880 Richard Biener changed: What|Removed |Added Priority|P3 |P2

[Bug c++/82872] [6/7/8 Regression] ICE in ignore_overflows on __PTRDIFF_MAX__ index

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82872 Richard Biener changed: What|Removed |Added Priority|P3 |P2

[Bug sanitizer/83388] reference statement index not found error with -fsanitize=null

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83388 --- Comment #7 from Jan Hubicka --- I believe we do not stream any references to references and once we start to do we will need to invent machinery to keep them intact like we have for edges and symbols. So I would go for removal of the

[Bug tree-optimization/83326] [8 Regression] SPEC CPU2017 648.exchange2_s ~6% performance regression with r255267 (reproducer attached)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83326 Richard Biener changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug tree-optimization/83326] [8 Regression] SPEC CPU2017 648.exchange2_s ~6% performance regression with r255267 (reproducer attached)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83326 --- Comment #5 from Richard Biener --- Author: rguenth Date: Thu Dec 14 14:32:24 2017 New Revision: 255635 URL: https://gcc.gnu.org/viewcvs?rev=255635=gcc=rev Log: 2017-12-14 Richard Biener PR

[Bug tree-optimization/83202] Try joining operations on consecutive array elements during tree vectorization

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83202 Bug 83202 depends on bug 83326, which changed state. Bug 83326 Summary: [8 Regression] SPEC CPU2017 648.exchange2_s ~6% performance regression with r255267 (reproducer attached) https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83326 What

[Bug bootstrap/83396] [8 Regression] Bootstrap failures with Statement Frontiers

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83396 --- Comment #65 from Andreas Schwab --- Author: schwab Date: Thu Dec 14 15:06:25 2017 New Revision: 255640 URL: https://gcc.gnu.org/viewcvs?rev=255640=gcc=rev Log: PR bootstrap/83396 * reload1.c (emit_input_reload_insns): Skip

[Bug sanitizer/83388] reference statement index not found error with -fsanitize=null

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83388 --- Comment #11 from rguenther at suse dot de --- On Thu, 14 Dec 2017, hubicka at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83388 > > --- Comment #10 from Jan Hubicka --- > Possibly, but for now I would be fine

[Bug bootstrap/83396] [8 Regression] Bootstrap failures with Statement Frontiers

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83396 --- Comment #63 from Jakub Jelinek --- Comment on attachment 42885 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42885 expand labels before markers If you do this, then we should also revert the var-tracking.c etc. changes to look for

[Bug bootstrap/83396] [8 Regression] Bootstrap failures with Statement Frontiers

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83396 --- Comment #62 from Alexandre Oliva --- Author: aoliva Date: Thu Dec 14 15:02:58 2017 New Revision: 255638 URL: https://gcc.gnu.org/viewcvs?rev=255638=gcc=rev Log: [SFN] next/prev_nonnote_insn_bb are no more, even for ports The patch that

[Bug bootstrap/83396] [8 Regression] Bootstrap failures with Statement Frontiers

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83396 --- Comment #62 from Alexandre Oliva --- Author: aoliva Date: Thu Dec 14 15:02:58 2017 New Revision: 255638 URL: https://gcc.gnu.org/viewcvs?rev=255638=gcc=rev Log: [SFN] next/prev_nonnote_insn_bb are no more, even for ports The patch that

[Bug c++/82152] [7/8 Regression] ICE on invalid code in C++17 mode if inheriting constructors are used

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82152 Richard Biener changed: What|Removed |Added Priority|P3 |P2

[Bug middle-end/81812] [7/8 Regression] Empty virtual function fails to compile

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81812 Richard Biener changed: What|Removed |Added Priority|P3 |P2

[Bug tree-optimization/82060] [7 Regression] ICE in refs_may_alias_p_1 with devirtualization enabled

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82060 Richard Biener changed: What|Removed |Added Priority|P3 |P2

[Bug c++/83425] No warning about assignment int to unsigned

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83425 Richard Biener changed: What|Removed |Added Keywords||diagnostic

[Bug tree-optimization/65258] Wrong array bounds warning

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65258 Richard Biener changed: What|Removed |Added Status|ASSIGNED|RESOLVED Known to work|

[Bug tree-optimization/65258] Wrong array bounds warning

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65258 --- Comment #5 from Richard Biener --- Author: rguenth Date: Thu Dec 14 15:08:09 2017 New Revision: 255641 URL: https://gcc.gnu.org/viewcvs?rev=255641=gcc=rev Log: 2017-12-14 Richard Biener PR

[Bug c++/82231] [7/8 Regression] ICE when deducing non-type template parameter value whose type depends on a non-type `auto` template parameter from function arguments

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82231 Richard Biener changed: What|Removed |Added Priority|P3 |P2

[Bug middle-end/82253] [6/7 Regression] ICE in convert_move, at expr.c:604

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82253 Richard Biener changed: What|Removed |Added Priority|P3 |P2

[Bug c/82167] [6/7 Regression] Segmentation fault when dereferencing the address of an array argument

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82167 Richard Biener changed: What|Removed |Added Priority|P3 |P2

[Bug target/82666] [7/8 regression]: sum += (x>128 ? x : 0) puts the cmov on the critical path (at -O2)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82666 Richard Biener changed: What|Removed |Added Priority|P3 |P2

[Bug c++/83116] [6/7/8 Regression] Statement with no effect causes wrong code of static object constexpr method

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83116 Richard Biener changed: What|Removed |Added Priority|P3 |P2

[Bug debug/83084] [7 Regression] -fcompare-debug failure on ppc64le

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83084 Richard Biener changed: What|Removed |Added Priority|P3 |P2

[Bug rtl-optimization/83162] [6/7/8 Regression] x86-64 -Wclobbered issuing more false alarms (regression)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83162 Richard Biener changed: What|Removed |Added Priority|P3 |P2

[Bug target/82981] [7 Regression] unnecessary __multi3 call for mips64r6 linux kernel

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82981 Richard Biener changed: What|Removed |Added Priority|P3 |P2

[Bug tree-optimization/83269] [8 Regression] Wrong constant folding

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83269 Richard Biener changed: What|Removed |Added Priority|P3 |P1 CC|

[Bug tree-optimization/81740] [6/7/8 Regression] wrong code at -O3 in both 32-bit and 64-bit modes on x86_64-linux-gnu

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81740 --- Comment #4 from amker at gcc dot gnu.org --- (In reply to Jakub Jelinek from comment #3) > Testcase modified for the testsuite: > > int a[8][10] = { [2][5] = 4 }, c; > > int > main () > { > short b; > int i, d; > for (b = 4; b >= 0;

[Bug tree-optimization/66974] -Warray-bounds false positive with -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66974 --- Comment #8 from Richard Biener --- Author: rguenth Date: Thu Dec 14 15:18:16 2017 New Revision: 255642 URL: https://gcc.gnu.org/viewcvs?rev=255642=gcc=rev Log: 2017-12-14 Richard Biener PR

[Bug libstdc++/68519] condition_variable::wait_for does not work properly with float duration

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68519 --- Comment #7 from Jonathan Wakely --- The problem is that duration doesn't have sufficient precision to represent now+1s as a float (the value is the same as now) #include constexpr std::chrono::seconds now(1513266095); constexpr auto then =

[Bug bootstrap/83396] [8 Regression] Bootstrap failures with Statement Frontiers

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83396 ktkachov at gcc dot gnu.org changed: What|Removed |Added CC||ktkachov at gcc dot gnu.org

[Bug debug/83422] [8 Regression] ICE: in final_scan_insn, at final.c:2429 after "variable tracking size limit exceeded with -fvar-tracking-assignments, retrying without"

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83422 --- Comment #7 from Jakub Jelinek --- Comment on attachment 42887 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42887 candidate patch Preapproved for trunk.

[Bug bootstrap/83396] [8 Regression] Bootstrap failures with Statement Frontiers

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83396 --- Comment #70 from Alexandre Oliva --- ktkatchov, I'll submit the patch as soon as it completes testing, which should be Real Soon Now (TM) :-) If you got the cycles to give it a spin, by all means let us know how it goes! Thanks,

[Bug tree-optimization/56210] invalid -Warray-bounds warning

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56210 Richard Biener changed: What|Removed |Added Status|ASSIGNED|NEW Known to work|

[Bug lto/81406] [6/7 Regression] ICE in check_die, at dwarf2out.c:6185

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81406 Jakub Jelinek changed: What|Removed |Added Summary|[6/7/8 Regression] ICE in |[6/7 Regression] ICE in

[Bug tree-optimization/83253] -ftree-slsr causes performance regression

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83253 --- Comment #11 from Bill Schmidt --- OK, for the i386 case, this simply comes down to the following. - mult_by_coeff_cost (3, E_SImode, true) returns a cost of 4 - mult_by_coeff_cost (4, E_SImode, true) returns a cost of 8 Garbage in,

[Bug debug/83422] [8 Regression] ICE: in final_scan_insn, at final.c:2429 after "variable tracking size limit exceeded with -fvar-tracking-assignments, retrying without"

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83422 --- Comment #6 from Alexandre Oliva --- Created attachment 42887 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42887=edit candidate patch Here's what I'm testing.

[Bug bootstrap/83396] [8 Regression] Bootstrap failures with Statement Frontiers

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83396 --- Comment #66 from Alexandre Oliva --- Jakub, *nod*, that's among the "changes added to support that". Ulrich, thanks for the report. r255639 compiles your testcase successfully on x86_64-linux-gnu-x-spu-elf with -O -g, so I guess the

[Bug tree-optimization/77291] False positive for -Warray-bounds

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77291 Richard Biener changed: What|Removed |Added Last reconfirmed|2016-08-19 00:00:00 |2017-12-14 --- Comment #2 from Richard

[Bug lto/81406] [6/7/8 Regression] ICE in check_die, at dwarf2out.c:6185

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81406 --- Comment #5 from Jakub Jelinek --- Created attachment 42886 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42886=edit gcc8-pr81406.patch Fixed with r251220. I'll add this testcase to the testsuite (verified it FAILs with r251218, and

[Bug target/81616] Update -mtune=generic for the current Intel and AMD processors

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81616 --- Comment #39 from Sebastian Peryt --- I have tested it on SKX with SPEC2006INT and SPEC2017INT and don't see any regressions.

[Bug c++/83429] New: Incorrect line number reported by -Wformat-truncation

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83429 Bug ID: 83429 Summary: Incorrect line number reported by -Wformat-truncation Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal Priority: P3

[Bug tree-optimization/83269] [8 Regression] Wrong constant folding

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83269 Jakub Jelinek changed: What|Removed |Added CC||jakub at gcc dot gnu.org --- Comment #3

[Bug tree-optimization/83412] GCC line directive suppresses warnings

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83412 --- Comment #4 from Martin Sebor --- I see. I (obviously) didn't know that. It seems like something worth documenting.

[Bug tree-optimization/83269] [8 Regression] Wrong constant folding

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83269 --- Comment #5 from Jakub Jelinek --- With -sanitize=signed-integer-overflow, we get in *.original: volatile unsigned char a = 1; long long int b = 2147483648; int c = (int) a * -2147483647 - (int) -b; instead of what we get without it:

[Bug tree-optimization/83269] [8 Regression] Wrong constant folding

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83269 Jakub Jelinek changed: What|Removed |Added Status|NEW |ASSIGNED Assignee|unassigned

[Bug tree-optimization/66974] -Warray-bounds false positive with -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66974 Richard Biener changed: What|Removed |Added Status|ASSIGNED|RESOLVED Known to work|

[Bug bootstrap/83396] [8 Regression] Bootstrap failures with Statement Frontiers

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83396 --- Comment #67 from ktkachov at gcc dot gnu.org --- Thanks for working on this! As of r255632 I'm still getting: Error: unaligned opcodes detected in executable segment on arm targets when building gdb. A reduced testcase is:

[Bug bootstrap/83396] [8 Regression] Bootstrap failures with Statement Frontiers

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83396 --- Comment #68 from Jakub Jelinek --- Can you try the #c63 patch? Perhaps the arm backend is yet another thing that doesn't really like debug insns outside of basic blocks...

[Bug tree-optimization/83253] -ftree-slsr causes performance regression

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83253 --- Comment #12 from Bill Schmidt --- By contrast, on powerpc64le, we see: - mult_by_coeff_cost (3, E_SImode, true) returns a cost of 8 - mult_by_coeff_cost (4, E_SImode, true) returns a cost of 4 These are the sort of costs one would

[Bug lto/81406] [6/7/8 Regression] ICE in check_die, at dwarf2out.c:6185

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81406 --- Comment #6 from Jakub Jelinek --- Author: jakub Date: Thu Dec 14 15:26:00 2017 New Revision: 255643 URL: https://gcc.gnu.org/viewcvs?rev=255643=gcc=rev Log: PR lto/81406 * gcc.dg/lto/pr81406_0.c: New test. Added:

[Bug rtl-optimization/83422] [8 Regression] ICE: in final_scan_insn, at final.c:2429 after "variable tracking size limit exceeded with -fvar-tracking-assignments, retrying without"

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83422 Alexandre Oliva changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Last reconfirmed|

[Bug tree-optimization/83269] [8 Regression] Wrong constant folding

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83269 --- Comment #4 from Eric Botcazou --- How can a patch written in 2014 be responsible for a bug in GCC 4.4 exactly?

[Bug tree-optimization/83403] Missed register promotion opportunities in loop

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83403 Richard Biener changed: What|Removed |Added Blocks||53947 --- Comment #2 from Richard

[Bug fortran/81841] [6/7 Regression] THREADPRIVATE (OpenMP) wrongly rejected in BLOCK DATA

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81841 Richard Biener changed: What|Removed |Added Priority|P3 |P4

[Bug target/81863] [7 regression] -mword-relocations is unreliable

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81863 Richard Biener changed: What|Removed |Added Priority|P3 |P2

[Bug c++/81860] [7/8 Regression] Call to undefined inline function involving inheriting constructors

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81860 Richard Biener changed: What|Removed |Added Priority|P3 |P2

[Bug debug/83419] [8 Regression] -fcompare-debug failure (length)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83419 Jakub Jelinek changed: What|Removed |Added Attachment #42881|0 |1 is obsolete|

[Bug c++/83425] New: No warning about assignment int to unsigned

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83425 Bug ID: 83425 Summary: No warning about assignment int to unsigned Product: gcc Version: 7.2.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++

[Bug libstdc++/82739] [6/7/8 Regression] Sort is 30% slower compared to gcc44 on presorted array

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82739 Richard Biener changed: What|Removed |Added Priority|P3 |P2

[Bug lto/83201] [7/8 Regression] SPEC CPU2017 505.mcf_f produces incorrect output when built with -flto and FDO

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83201 --- Comment #4 from Richard Biener --- Do we have an indication that it worked with any 6.x or 7.x release?

[Bug c++/83227] [7/8 Regression] internal compiler error: in process_init_constructor_array

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83227 Richard Biener changed: What|Removed |Added Priority|P3 |P2

[Bug target/82880] [6/7 Regression] gcc --help=target --help=optimizers hangs on mips

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82880 Jakub Jelinek changed: What|Removed |Added CC||clm at gcc dot gnu.org,

[Bug c++/83204] [6/7/8 Regression] c++ -std=c++14 ICE in maybe_undo_parenthesized_ref, at cp/semantics.c:1694

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83204 Richard Biener changed: What|Removed |Added Priority|P3 |P2

[Bug c++/83428] Static initialization and struct with constexpr ctor

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83428 Richard Biener changed: What|Removed |Added Keywords||wrong-code

[Bug libstdc++/83427] [7/8 Regression] [C++17] weak result types and adaptable functions don't support noexcept functions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83427 Richard Biener changed: What|Removed |Added Target Milestone|--- |7.3

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